SKU: 37899231464

Phoenix Gold RX2400.4 - 4 Channel Amplifier

Sale price$130.05 Regular price$144.50
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Description

Phoenix Gold RX2400.4 - 4 Channel AmplifierPHOENIX GOLD RX2400. 4 400 Watt 4 Channel Class A B Amplifier System Configuration Flexibility of 4ch 3ch or 2ch with 400 watts of power RX2 400. 4 is a powerful 4ch 400W, class A B amplifier delivering massive power to support your systems needs. Configure as a 4ch for an active components setup or as a front rear stage amplifier. How about for a full system? Setup as 3ch mode you can run your front stage and a subwoofer. Configure in 2ch mode for

PHOENIX GOLD RX2400.4 400 Watt 4 Channel Class A/B Amplifier

System Configuration Flexibility of 4ch 3ch or 2ch with 400 watts of power

RX2 400.4 is a powerful 4ch 400W, class A/B amplifier delivering massive power to support your system’s needs. Configure as a 4ch for an active components setup or as a front/rear stage amplifier. How about for a full system? Setup as 3ch mode you can run your front stage and a subwoofer. Configure in 2ch mode for 200 watts x2 on whatever you choose. Anyway you configure it, you will be rewarded with efficient sound and musical quality while wrapped in a sleek, low profile chassis designed for versatility.

RX2 series amplifiers are the reference for style and value in any installation. Built with the legendary Phoenix Gold reliability, they feature heavy duty heatsinks, robust unregulated power supplies, and oversized direct input power and speaker terminals. They also sound sweet thanks to the audiophile-grade output transistors. We made upgrading your stock system easy by allowing high level inputs, so you can keep that hard to replace radio, and still upgrade the sound. RX2-series amplifiers are ready to impress with their effortless ability to provide power and clarity while keeping the chassis at a convenient size for any installation. The devil is in the details, so it just made sense that we allow the PG name plate to be removed and turned to match the orientation you might need for your install because we know you're going to want show off your system and make all your friends jealous.

  • Class A/B Topology
  • Small Footprint Chassis Design
  • Robust Unregulated Power Supplies
  • Rotatable Badging for installation flexibility
  • High level Inputs for Easy OEM Integration
  • Audio Precision® Quality Control Verification
Specifications









RMS Power Ratings listed at less than 1% THD @ 14.4v 

Number of Channels: 4
  4Ω: CH 1 - 4 75W x 4 
  2Ω: CH 1 - 4 100W x 4 
  2CH Mode: 1+2 4Ω Bridged & 3+4 4Ω Bridged 200W x 2 
  3CH Mode: 1/2 4Ω Stereo & 3+4 4Ω Bridged  75W x 2 + 200W x 1
  3CH Mode: 1/2 2Ω Stereo & 3+4 4Ω Bridged  100W x 2 + 200W x1 
Total RMS Power (Sum of rated power): 400W
Bridgeable: Yes
Crossover Mode: FULL/HP/LP
  CH 1 - 4 50Hz - 200Hz @ 12dB / Oct Linkwitz Riley
Input Channels: 4CH F/R, 3 CH FRONT, 2 CH FRONT
Input Mode: Unbalanced / Balanced 
Processing: Bass Boost  0dB / +6dB / +12dB @45hz
Input Sensitivity: .2v - 6v Unbalanced RCA Low-Level
                                                .5v - 15v Balanced Hi-Level Harness
Signal to Noise (@ CEA Standard):  >80dB
Frequency Response: Full Range CH 1 - 4 10Hz - 40kHz  
Topology Class: A/B
Heatsink Type: Extruded Aluminum
Cooling Type: Radiation 
Operating Voltage: 8V to 16V
Switchable Auto-Turn On: No
Power Supply Type: Unregulated 
Power TerminalS: 4 Gauge 
Speaker Terminal: 10 Gauge
On Board Fusing: 2 x 30A ATC
Recommended Inline Fuse: 50A
Dimensions (L x W x H): 15.74” x 8.11” x 1.98” - 400mm x 206mm x 50.5mm 

 

Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 37899231464

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Linda L
Birmingham, US
★★★★★ 5
as good as the original.
easy to install and works as good as the original.
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Reviewed in the United States on July 13, 2025
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Watermediaartist
Boise, US
★★★★★ 5
Don’t over pay for auto filters
Great filter for reasonable price. Great fit in vehicle
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Reviewed in the United States on February 12, 2026
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Mike Ortiz
Battle Creek, US
★★★★★ 5
Great price
Great price
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Reviewed in the United States on October 31, 2025
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jess b
West Palm Beach, US
★★★★★ 5
PERFECT FIT, EASY AF, HAPPY CUSTOMER
perfect fit for my 2022 civic! took 5 min! (not an exaggeration) soooo many youtube videos but alll you gotta do is - 1) locate engine air filter holder 2) undo fasteners on the sides 3) lift black part up 4) pull out old filter 5) put in new filter, 6) redo fasteners DONE! dealership wanted to charge me $85 for this!!!!! forget that , do it yourself! it’s easy for girls too!! don’t be intimated :)
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Reviewed in the United States on October 29, 2025
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Steve S.
Natrona Heights, US
★★★★★ 5
Great product!
High quality; great product; highly recommended!
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Reviewed in the United States on July 27, 2025

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